/*****************************************************************************
 * Copyright (C) Stacy Curl. All rights reserved.                            *
 * ------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the BSD      *
 * style license a copy of which has been included with this distribution in *
 * the LICENSE.txt file.                                                     *
 *****************************************************************************/
package picounit.verify.constraint;

import picounit.util.Equal;

public class EqualUtil {
    @SuppressWarnings("unchecked")
    public static <T extends Equal<T>> boolean isEqual(T left, Object right) {
        return nullOrDifferentClass(left, right) ? false
        	: (left == right || left.equalTo((T) right));
    }

	private static <T> boolean nullOrDifferentClass(T left, Object right) {
		return right == null || !left.getClass().equals(right.getClass());
	}
}